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1、《Chapter4Theworldofnumbers》Thefirstperiod:wordspreparationTeachingaims:1.Introducethewordsofdifferentkindsofnumbers2.ToreadoutallkindsofnumbersandsymbolsTeachingDifficulties:HowtoreadoutthedifferentkindsofnumberscorrectlyandtellthembylisteningTeachingfocuses:1.Helpstudentstomasterthenewwords.2.Helpt
2、hestudentstoknowsomethingaboutthelanguageofnumbersTeachingaids:somepaperwithdifferentgroupsofnumbers,ataperecorderandmulti-media.Teachingprocedures:Step1Lead-inandrevision：Encouragestudentstospeakoutatleastthreethingsthatcanbeunderstoodbyallhumanbeingswithdifferentlanguage:music,painting,food,number
3、sActivity1:askallthestudentstostandupandcountthenumbersonebyone.Eachstudenthasachancetosay“pass”and“backwards”.Activity2:theteachersay:”PageX”,allthestudentsfindthatpageaasquicklyaspossible.Thenthestudentsworkingroupsoffour.Step2:wordstudyTask1:Teachnewvocabularyofnumbersbyshowingstudentssomegroupso
4、fnumbersandaskthemtofindouttherulesCardinalnumbersandordinalnumbersOddnumbersandevennumbersNumbersshowingdegreesDecimalsFractionsPercentagesSymbolsTask2:page44AMatchthewordswiththesignsandnumbersTask3:TeachstudentstoreadoutNumbersshowingdegrees,Decimals,Fractions,PercentagesSymbolsStep3:ListeningPag
5、e48AStep4:Teachthewayofsaying“＋,－,×,÷”Task1:saythefollowingsinEnglish:7＋8=155×7=3529－17=1280÷4=20Task2:chooseanytopiecesfromthecards,askthestudentstomaketheresult10byusing“＋,－,×,÷”.(thecardsJ,Q,Kare“0”)HomeworkExercisebook:vocabularyABCThesecondperiod:VocabularyTeachingaims:Masterallthenewwordsinthi
6、sunit.Teachingdifficulties:Thespellingofnewwords.Teachingaids:ThemultimediaandtheblackboardTeachingproceduresStep1:writedown“0”ontheblackboard,talkaboutitandpresent:ancientnumbers,consistof,Indian,develop,invent,invention...showpicturesofanabacusandanelectroniccalculatorandacomputerTalkaboutthemandp
7、resentthenewwords:inventinventionabacuscalculatoraccurate...Step2:AskthestudentstofinishPartC1,PartC2PartC3.PartDPartECompleteeachtaskindividuallyfirstandthendiscussingroupsthenintheclass.Step3.Furthe
